Home / 45,583.70-68,376.15-19,269.23

Finding the Fourth Proportional to 45,583.70, 68,376.15 and 19,269.23

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Solution

The fourth proportional to 45,583.70, 68,376.15 and 19,269.23 is: 28,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,583.70 : 68,376.15 = 19,269.23 : x
  2. Step 2: Convert to fraction form
    45,583.70/68,376.15 = 19,269.23/x
  3. Step 3: Cross multiply
    45,583.70x = 68,376.15 × 19,269.23
  4. Step 4: Simplify right side
    45,583.70x = 1,317,555,418.98
  5. Step 5: Solve for x
    x = 1,317,555,418.98/45,583.70
  6. Step 6: Final answer
    x = 28,904.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.